Ammonia (7664-41-7)

? Ammonia (CAS NO.7664-41-7), its Synonyms are Ammonia solution, strong ; Ammonia anhydrous ; Ammonia gas ; Ammoniac [French] ; Ammoniaca ; Ammoniak ; Ammoniak Kconzentrierter ; Liquid Ammonia . It is colourless gas.?Ammonia is a colorless gas with a penetrating, pungent-sharp odor in small concentrations that, in heavy concentrations, produces a smothering sensation when inhaled. Ammonia is soluble in water and a saturated solution contains approximately 45% ammonia by weight at the freezing temperature of the solution and about 30% ammonia by weight at standard conditions. Ammonia dissolved in water forms a strongly alkaline solution of ammonium hydroxide (NH₄OH) and the aqueous solution is called ammonia water, aqua ammonia, or sometimes ammonia (although this is misleading). Ammonia burns with a greenish-yellow flame.

Ammonia is a large-tonnage industrial product and finds its major use in the manufacture of nitric acid and fertilizers. It is the most commonly used refrigerant, particularly for large industrial installations.